Home / 1,190,838,780.38-1,786,461,673.10-490,948,320.56

Finding the Fourth Proportional to 1,190,838,780.38, 1,786,461,673.10 and 490,948,320.56

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Solution

The fourth proportional to 1,190,838,780.38, 1,786,461,673.10 and 490,948,320.56 is: 736,506,379.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,838,780.38 : 1,786,461,673.10 = 490,948,320.56 : x
  2. Step 2: Convert to fraction form
    1,190,838,780.38/1,786,461,673.10 = 490,948,320.56/x
  3. Step 3: Cross multiply
    1,190,838,780.38x = 1,786,461,673.10 × 490,948,320.56
  4. Step 4: Simplify right side
    1,190,838,780.38x = 877,060,358,158,946,176
  5. Step 5: Solve for x
    x = 877,060,358,158,946,176/1,190,838,780.38
  6. Step 6: Final answer
    x = 736,506,379.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.